Here’s a classic object for this time of year, the ghostly Owl Nebula, in a false-colour image taken through H alpha and OIII filters. It gives the impression of two spherical shells of gas displaced from one another, but, unlike … Continue reading →

It’s the time of year for solar observing again, and there was a nice active disk yesterday in both H alpha and white light. Here’s an image taken by the method I’ve been using for a couple of years now, … Continue reading →

This is an LRGB image with the L from a light pollution filter, but it is rather undersaturated as the data is dominated by the luminance; true RGB from such a light-polluted environment as I work in is probably impossible. … Continue reading →